Plaque stapler

• US 5,501,689 A
• Filed: 02/03/1994
• Issued: 03/26/1996
• Est. Priority Date: 02/03/1994
• Status: Expired due to Term

• Current Assignee: United States Surgical Corporation (Medtronic Plc)
• Original Assignee: United States Surgical Corporation (Medtronic Plc)
• Inventors: Bolanos, Henry, Toso, Kenneth E., Alesi, Daniel E., Green, David T.
• Primary Examiner(s): Jackson, Gary
• Application Number:
  US08/191,230
• Time in Patent Office: 782 Days
• Field of Search: 606/219, 606/139-148, 227/19, 227/175-181
• US Class Current: 606/139
• CPC Class Codes: A61B 17/0686 having a forming anvil staying below the tissue during stapling
• CPC Class Codes: A61B 2017/22001 Angioplasty, e.g. PCTA
• CPC Class Codes: A61B 2017/320741 for stripping the intima or the internal plaque from a blood vessel, e.g. for endarterectomy

Abstract

An apparatus for stapling the plaque lining of an artery or vein to the wall of the artery or vein, which comprises first and second opposed cooperative elongated members pivotably associated with one another. The first and second elongated members have distal ends, and proximal ends forming handles. The first elongated member forms an anvil portion at its distal end which is configured for placement into an open end of a vein and/or an artery. A staple cartridge assembly is disposed on the distal end of the second elongated member and includes a staple magazine containing a multiplicity of staples longitudinally and sequentially aligned with the staple magazine. Actuating means are provided which are supported by the staple cartridge assembly for movement in a given direction therealong to drive the staples in the staple magazine toward a staple exit end.

Claims

1. A method for joining first and second plaque-lined blood vessel segments to one another, comprising the steps of:

a) detaching a portion of plaque lining from adjacent end portions of the first and second blood vessel segments to be joined;

b) providing a surgical stapling device including an anvil for placement adjacent an interior surface of the first and second vessel segments and a cartridge assembly containing a plurality of staples for placement adjacent an exterior surface of the first and second vessel segments and structure for driving the staples from the cartridge through the plaque lining the walls of the blood vessels to be formed against the anvil;

c) stapling the remaining portion of the plaque lining in each blood vessel segment to a wall thereof; and

d) joining the end portions of the blood vessel segments to one another in the area from which the plaque lining has been removed.

2. The method of claim 1, wherein said stapling step comprising:

placing into an open end of said first blood vessel segment an apparatus comprising first and second opposed cooperative elongated members pivotably associated with one another, said first and second elongated members having distal ends and proximal ends, said proximal ends forming handles;

pivoting said elongated members relative to one another at a location between said distal and proximal ends;

discharging a staple from said cartridge assembly disposed on the distal end of said second elongated member into a staple clinching groove of said anvil formed on a distal end of said first elongated member, said distal end of said first elongated member configured for placement into said open end of said first blood vessel segment;

said staple cartridge assembly having a staple magazine containing a multiplicity of staples longitudinally and sequentially aligned with said staple magazine, said staple cartridge assembly having a distal end and a proximal end, said staple magazine having a staple load end and a staple exit end; and

moving actuating means supported by said staple cartridge assembly in a given direction therealong to drive said staples in said staple magazine toward said staple exit end.

3. The method according to claim 2, wherein said plaque stapling step is accomplished by placing said anvil portion of said first elongated member into the open end of the first blood vessel segment while positioning said staple cartridge assembly outside the first blood vessel segment, clinching the first blood vessel segment between said anvil portion and said cartridge assembly, further clinching the vein or artery causing a staple contained in said staple magazine to be driven by said actuating means through the wall of said first blood vessel segment and through said plaque lining and into contact with said staple clinching groove.

4. The method of claim 3, further comprising repeating said stapling steps performed on said first blood vessel segment on said second blood vessel segment.

5. A method for joining first and second plaque-lined blood vessel segments to one another comprising the steps of:

a) clearing a portion of plaque lining from adjacent end portions of the first and second blood vessel segments to be joined;

b) providing a surgical fastening device including an anvil for placement adjacent an interior surface of the first and second vessel segments and a cartridge assembly containing a plurality of fasteners for placement adjacent an exterior surface of the first and second vessel segments and structure for driving the fasteners from the cartridge through the plaque lining the walls of the blood vessels to be formed against the anvil;

c) fastening the remaining portion of the plaque lining in each of the blood vessel segments to the walls thereof; and

d) joining the end portion of the blood vessel segments to one another in the area from which the plaque lining has been cleared.

6. A method according to claim 5, wherein the step of fastening a portion of the plaque lining comprises stapling the plaque lining to the wall of the blood vessel segment.

7. A method according to claim 5, wherein the step of joining the end portions of the blood vessel segments comprises stapling the blood vessel segments to one another.